Genus Pisidium L. Pfeiffer, 1821
(3-4-4-0-9-4-0-3-0-0-0-0-0)
Ref. Amer. Fish. Soc., 1988 p 34adamsi W. Stimpson, 1851
(3-4-4-0-9-4-0-3-0-1-0-0-0)
Adam Peaclam
Ref. Amer. Fish. Soc., 1988 p 34amnicum (O. F. Muller, 1774)
(3-4-4-0-9-4-0-3-0-2-0-0-0)
Greater European Peaclam
Ref. Amer. Fish. Soc., 1988 p 34casertanum (G. S. Poli, 1791)
(3-4-4-0-9-4-0-3-0-3-0-0-0)
Ubiquitous Peaclam
Ref. Amer. Fish. Soc., 1988 p 34compressum T. Prime, 1852
(3-4-4-0-9-4-0-3-0-4-0-0-0)
Ridged-beak Peaclam
Ref. Amer. Fish. Soc., 1988 p 34conventus S. Clessin, 1877
(3-4-4-0-9-4-0-3-0-5-0-0-0)
Alpine Peaclam
Ref. Amer. Fish. Soc., 1988 p 34cruciatum V. Sterki, 1895
(3-4-4-0-9-4-0-3-0-6-0-0-0)
Ornamented Peaclam
Ref. Amer. Fish. Soc., 1988 p 34dubium (T. Say, 1817)
(3-4-4-0-9-4-0-3-0-7-0-0-0)
Greater Eastern Peaclam
Ref. Amer. Fish. Soc., 1988 p 34equilaterale T. Prime, 1852
(3-4-4-0-9-4-0-3-0-8-0-0-0)
Round Peaclam
Ref. Amer. Fish. Soc., 1988 p 34fallax V. Sterki, 1896
(3-4-4-0-9-4-0-3-0-9-0-0-0)
River Peaclam
Ref. Amer. Fish. Soc., 1988 p 34ferrugineum T. Prime, 1852
(3-4-4-0-9-4-0-3-0-10-0-0-0)
Rusty Peaclam
Ref. Amer. Fish. Soc., 1988 p 34henslowanum (Sheppard, 1825)
(3-4-4-0-9-4-0-3-0-11-0-0-0)
Henslow Peaclam
Ref. Amer. Fish. Soc., 1988 p 34idahoense E. W. Roper, 1890
(3-4-4-0-9-4-0-3-0-12-0-0-0)
Giant Northern Peaclam
Ref. Amer. Fish. Soc., 1988 p 34insigne W. M. Gabb, 1868
(3-4-4-0-9-4-0-3-0-13-0-0-0)
Tiny Peaclam
Ref. Amer. Fish. Soc., 1988 p 34lilljeborgi (S. Clessin, 1886)
(3-4-4-0-9-4-0-3-0-14-0-0-0)
Lilljeborg Peaclam
Ref. Amer. Fish. Soc., 1988 p 34milium Held, 1836
(3-4-4-0-9-4-0-3-0-15-0-0-0)
Quadrangular Pillclam
Ref. Amer. Fish. Soc., 1988 p 34nitidum L. Jenyns, 1832
(3-4-4-0-9-4-0-3-0-16-0-0-0)
Shiny Peaclam
Ref. Amer. Fish. Soc., 1988 p 34punctatum V. Sterki, 1895
(3-4-4-0-9-4-0-3-0-17-0-0-0)
Perforated Peaclam
Ref. Amer. Fish. Soc., 1988 p 34punctiferum (R. J. L. Guppy, 1867)
(3-4-4-0-9-4-0-3-0-18-0-0-0)
Striate Peaclam
Ref. Amer. Fish. Soc., 1988 p 34rotundatum T. Prime, 1852
(3-4-4-0-9-4-0-3-0-19-0-0-0)
Fat Peaclam
Ref. Amer. Fish. Soc., 1988 p 34subtruncatum Malm, 1855
(3-4-4-0-9-4-0-3-0-20-0-0-0)
Short-end Peaclam
Ref. Amer. Fish. Soc., 1988 p 34supinum A. Schmidt, 1850
(3-4-4-0-9-4-0-3-0-21-0-0-0)
Humpback Peaclam
Ref. Amer. Fish. Soc., 1988 p 34ultramontanum T. Prime, 1865
(3-4-4-0-9-4-0-3-0-22-0-0-0)
Montane Peaclam
Ref. Amer. Fish. Soc., 1988 p 34variabile T. Prime, 1865
(3-4-4-0-9-4-0-3-0-23-0-0-0)
Triangular Peaclam
Ref. Amer. Fish. Soc., 1988 p 34ventricosum T. Prime, 1851
(3-4-4-0-9-4-0-3-0-24-0-0-0)
Globular Peaclam
Ref. Amer. Fish. Soc., 1988 p 34walkeri V. Sterki, 1895
(3-4-4-0-9-4-0-3-0-25-0-0-0)
Walker Peaclam
Ref. Amer. Fish. Soc., 1988 p 34